Mass perturbation of a body segment: 1. Effects on segment dynamics

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    Abstract

    Investigators often use mass perturbation of body segments as an experimental paradigm to study movement coordination. To analyze the effect of mass perturbation on small-amplitude oscillations, the authors linearize the equation of motion of a single segment moving in a vertical plane and derive the effect of added mass on the undamped eigenfrequency, the relative damping, and the low-frequency control gain of the segment. Mass addition results in a decrease in both the relative damping and the low-frequency control gain; the undamped eigenfrequency increases for mass addition between the pivot point and R
    Original languageEnglish
    Pages (from-to)419-424
    JournalJournal of Motor Behavior
    Volume36
    DOIs
    Publication statusPublished - 2004

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